Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
This invention relates to a method for removing sulfur-containing contaminants in the form of mercaptans and H2S from natural gas, which may also contain CO2 and higher aliphatic and aromatic hydrocarbons, and recovering elemental sulfur, wherein in a first absorption step the sulfur-containing cont...
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| creator | THEODORUS JOSEPH PETRUS VAN POL JAN ADOLF LAGAS |
| description | This invention relates to a method for removing sulfur-containing contaminants in the form of mercaptans and H2S from natural gas, which may also contain CO2 and higher aliphatic and aromatic hydrocarbons, and recovering elemental sulfur, wherein in a first absorption step the sulfur-containing contaminants are removed from the gas, to form on the one hand a purified gas stream and on the other hand a sour gas, which sour gas is fed to a second absorption step in which the sour gas is separated into an H2S-enriched and mercaptan-reduced first gas stream, which is fed to a Claus plant, followed by a selective oxidation step of H2S to elemental sulfur in the tail gas, and an H2S-reduced and mercaptan-enriched second gas stream, which second gas stream, if desired after further treatment, is subjected to a selective oxidation of sulfur compounds to elemental sulfur. |
| format | Patent |
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JAN ADOLF LAGAS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1209756A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>FIRELIGHTERS</topic><topic>FUELS</topic><topic>FUELS NOT OTHERWISE PROVIDED FOR</topic><topic>INORGANIC CHEMISTRY</topic><topic>LIQUEFIED PETROLEUM GAS</topic><topic>LUBRICANTS</topic><topic>METALLURGY</topic><topic>NATURAL GAS</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PEAT</topic><topic>PERFORMING OPERATIONS</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>THEODORUS JOSEPH PETRUS VAN POL</creatorcontrib><creatorcontrib>JAN ADOLF LAGAS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>THEODORUS JOSEPH PETRUS VAN POL</au><au>JAN ADOLF LAGAS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas</title><date>1999-03-03</date><risdate>1999</risdate><abstract>This invention relates to a method for removing sulfur-containing contaminants in the form of mercaptans and H2S from natural gas, which may also contain CO2 and higher aliphatic and aromatic hydrocarbons, and recovering elemental sulfur, wherein in a first absorption step the sulfur-containing contaminants are removed from the gas, to form on the one hand a purified gas stream and on the other hand a sour gas, which sour gas is fed to a second absorption step in which the sour gas is separated into an H2S-enriched and mercaptan-reduced first gas stream, which is fed to a Claus plant, followed by a selective oxidation step of H2S to elemental sulfur in the tail gas, and an H2S-reduced and mercaptan-enriched second gas stream, which second gas stream, if desired after further treatment, is subjected to a selective oxidation of sulfur compounds to elemental sulfur.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY COMPOUNDS THEREOF FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR INORGANIC CHEMISTRY LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS NON-METALLIC ELEMENTS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING |
| title | Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas |
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